EPA Method 8240A/1666 - Purgeable Internal Std

Powder reagents for free chlorine (100 tests). Contains: 100 sachets

PCB No. 170, 100µg/ml in Cyclohexane, 5ml

trans-3-Nonene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 20063-92-7